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US2453383A Expired / Lapsed US ⏱️ 0.0 years remaining

Flexible coupling

Assignee: Individual
•
Filing: 1943-09-04
•
Granted: 1948-11-09
•
Expires: 1963-09-04
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Abstract

No abstract record available.

Inventors

  • 👤 Rathman Gilbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:26
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/70

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

SE66327C1 Cited
US333983A Cited
US1264742A Cited
US1642907A Cited
US1675760A Cited
US1760492A Cited
FR771366A Cited
AU2502235A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-11-09 1952-05-10 1952-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-11-09 1956-05-10 1956-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-11-09 1960-05-10 1960-11-09 $7700.00 Window Closed / Lapsed

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